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The standard electrode potential of the ...

The standard electrode potential of the half cells are given below :
`Zn^(2+)+ 2e^(-) rarr Zn(s), E^(o) = - 7.62 V `
`Fe^(2+) + 2e^(-) rarr Fe(s) , E^(o) = -7 .81 V`
The emf of the cell `Fe^(2+) + Zn rarr Zn^(2+) + Fe` will be :

A

`1.54` V

B

`-1.54` V

C

`-0. 19` V

D

`+ 0 . 19 ` V

Text Solution

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The correct Answer is:
A
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